Homework Help: biology

Posted by Nyo on Tuesday, October 18, 2011 at 2:12am.

In some breeds of dogs, a dominant gene B controls the trait of barking. If a breeder wants to produce a true-breeding strain of barkers, but knows that the allele for silent dogs (b) is present amongst the barking dogs in his kennels, how could he determine which of his barking dogs to breed? Please perform a testcross using a homozygous recessive silent dog (bb).

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